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Extrasolar planet orbiting HD 11506 From Wikipedia, the free encyclopedia
HD 11506 b is an extrasolar planet that orbits the star HD 11506 167 light years away in the constellation of Cetus. This planet was discovered in 2007 by the N2K Consortium using the Keck telescope to detect the radial velocity variation of the star caused by the planet.[2] A second planet, HD 11506 c, was discovered in 2015.[3]
Discovery | |
---|---|
Discovered by | Fischer et al. |
Discovery site | California, United States |
Discovery date | April 10, 2007 |
Radial velocity | |
Orbital characteristics[1] | |
2.800+0.123 −0.136 AU | |
Eccentricity | 0.391±0.010 |
4.418 ± 0.012 years (1,613.7 ± 4.4 d) | |
Inclination | 112.598°+23.304° −52.700° |
80.266°+23.453° −41.201° | |
2451787.838+16.442 −12.388 | |
217.469°+2.387° −2.314° | |
Semi-amplitude | 78.402+1.408 −1.146 m/s |
Star | HD 11506 |
Physical characteristics[1] | |
Mass | 4.880+1.986 −0.333 MJ |
In 2022, the true mass and inclination of HD 11506 b were measured via astrometry, along with the discovery of a third planet in the system.[1]
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